The NPR Map helps you locate the AM & FM stations across the country that carry programming from National Public Radio. The nations' interstates, freeways and highways are also on the map so that the nearest station can always be...The NPR Map helps you locate the AM & FM stations across the country that carry programming from National Public Radio. The nations' interstates, freeways and highways are also on the map so that the nearest station can always be found.